#include <cstdio>
#include <iostream>
#include <unistd.h>
using namespace  std;

int main(int argc, char* argv[], char* env[]) {
    cout << "hello, my pid is " << getpid() << endl;
    for(int i = 0; i < argc; i++) {
        printf("argv[%d]: %s\n", i, argv[i]);
    }
    printf("\n");
    for(int i = 0; env[i]; i++) {
        printf("env[%d]: %s\n", i, env[i]);
    }
    return 0;
}